Watch Undercurrent online in HD

An ambitious ecologist returning to her childhood home on the Dutch island of Ameland discovers a dangerous drug smuggling route, forcing her to choose between exposing the truth and protecting those she loves.

Undercurrent (2026) is a thriller film running 1h 51m, directed by Klaas de Jong. It is available in HD on Cineby for 5 credits. Create an account, add credits and the unlock is yours permanently. Use the player controls for subtitles, quality and fullscreen.

Once unlocked, the film starts in the player at the top of this page. If the first source is slow, the player rotates to a backup automatically. Your purchase is stored in your account, so Undercurrent opens straight into playback on any return visit. Progress is saved on this device.